As I stated in my second response, it's a 2011. From all the info I have gathered, there doesn't seem to be a cure for the 2011 hesitation just yet.
It is supposed to be a self teaching computer. Any adjustment made to the computer will be short lived, supposedly..... I don't race the truck, so it's not that big a deal at this time. If I "lay" into the gas, it flat a.. hauls.